1
John L Servidio, Robert E Tucker: Nasal positive pressure device. Healthdyne, Foley & Lardner, June 2, 1992: US05117819 (191 worldwide citation)

A device treats sleep apnea by supplying pressurized air to the nasal passages of a user through a connection device connected to said control device through a hose. The device includes a blower which pressurizes air and which supplies the pressurized air to the connection device, and a control devi ...


2
John L Servidio, Bruce Beverly: Pressure support ventilatory assist system. Healthdyne Technologies, Jones & Askew, February 4, 1997: US05598838 (184 worldwide citation)

A pressure support ventilatory assist device is disclosed. Pressure is provided by a blower which is operated at the minimum speed necessary to achieve the desired inspiration pressure. Pressure regulation is achieved by means of a novel pressure regulator valve, rather than by modulating blower spe ...


3
John L Servidio: Pressure support ventilatory assist system. Gerald R Boss Esq, Troutman Sanders, October 23, 2001: US06305372 (106 worldwide citation)

A pressure support ventilatory assist device is disclosed. Pressure is provided by a blower which is operated at the minimum speed necessary to achieve the desired inspiration pressure. Pressure regulation is achieved by means of a novel pressure regulator valve, rather than by modulating blower spe ...


4
John L Servidio, Bruce Beverly: Pressure support ventilatory assist system. Healthdyne Technologies, Gerald R Troutman Sanders Boss, July 27, 1999: US05927274 (97 worldwide citation)

A pressure support ventilatory assist device is disclosed. Pressure is provided by a blower which is operated at the minimum speed necessary to achieve the desired inspiration pressure. Pressure regulation is achieved by means of a novel pressure regulator valve, rather than by modulating blower spe ...